[PATCH v2 13/33] ofnode: Indicate when out of space in a few places

[Simon Glass]

Update ofnode_add_subnode() and ofnode_add_prop() to return a suitable
error when space is exhausted in the FDT. This makes it easier to see
what is going wrong.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 drivers/core/ofnode.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index ec03f6f550d..5b8be218d3b 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -1607,9 +1607,10 @@ ofnode ofnode_by_prop_value(ofnode from, const char *propname,
 int ofnode_write_prop(ofnode node, const char *propname, const void *value,
 		      int len, bool copy)
 {
+	int ret;
+
 	if (of_live_active()) {
 		void *newval;
-		int ret;
 
 		if (copy) {
 			newval = malloc(len);
@@ -1623,8 +1624,12 @@ int ofnode_write_prop(ofnode node, const char *propname, const void *value,
 			free(newval);
 		return ret;
 	} else {
-		return fdt_setprop(ofnode_to_fdt(node), ofnode_to_offset(node),
-				   propname, value, len);
+		ret = fdt_setprop(ofnode_to_fdt(node), ofnode_to_offset(node),
+				  propname, value, len);
+		if (ret)
+			return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -EINVAL;
+
+		return 0;
 	}
 }
 
@@ -1897,7 +1902,7 @@ int ofnode_add_subnode(ofnode node, const char *name, ofnode *subnodep)
 			ret = -EEXIST;
 		}
 		if (offset < 0)
-			return -EINVAL;
+			return offset == -FDT_ERR_NOSPACE ? -ENOSPC : -EINVAL;
 		subnode = noffset_to_ofnode(node, offset);
 	}
 
-- 
2.34.1